diff options
Diffstat (limited to 'src/import/chips/p9/procedures/hwp/memory/lib/mc/port.H')
| -rw-r--r-- | src/import/chips/p9/procedures/hwp/memory/lib/mc/port.H | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/import/chips/p9/procedures/hwp/memory/lib/mc/port.H b/src/import/chips/p9/procedures/hwp/memory/lib/mc/port.H index 21a62fa2a..0e8c21f11 100644 --- a/src/import/chips/p9/procedures/hwp/memory/lib/mc/port.H +++ b/src/import/chips/p9/procedures/hwp/memory/lib/mc/port.H @@ -45,6 +45,7 @@ #include <lib/shared/mss_const.H> #include <lib/utils/scom.H> #include <lib/utils/c_str.H> +#include <lib/dimm/rank.H> namespace mss { @@ -77,7 +78,10 @@ class portTraits<fapi2::TARGET_TYPE_MCA> static constexpr uint64_t CAL3Q_REG = MCA_MBA_CAL3Q; static constexpr uint64_t DSM0Q_REG = MCA_MBA_DSM0Q; + // Danger Will Robinson <wave robot arms> MCA_DDRPHY_PC_PER_ZCAL_CONFIG_P0 uses PHY rank ordinal numbers + // which are different between PHYs. So if you're playing with this register, be sure to map rank numbers. static constexpr uint64_t PHY_ZQCAL_REG = MCA_DDRPHY_PC_PER_ZCAL_CONFIG_P0; + static constexpr uint64_t PHY_PERIODIC_CAL_CONFIG_REG = MCA_DDRPHY_PC_PER_CAL_CONFIG_P0; static constexpr uint64_t PHY_PERIODIC_CAL_RELOAD_REG = MCA_DDRPHY_PC_RELOAD_VALUE0_P0; static constexpr uint64_t PHY_CAL_TIMER_RELOAD_REG = MCA_DDRPHY_PC_CAL_TIMER_RELOAD_VALUE_P0; @@ -602,6 +606,34 @@ fapi_try_exit: return fapi2::current_err; } +/// +/// @brief Reset the ZCAL config register. +/// @warning This maps PHY rank numbers per target +/// @tparam T, the fapi2 target type of the target +/// @param[in] i_target A target representing a port +/// @return FAPI2_RC_SUCCESS if and only if ok +/// +template< fapi2::TargetType T, typename TT = portTraits<T> > +fapi2::ReturnCode reset_zqcal_config( const fapi2::Target<T>& i_target ) +{ + fapi2::buffer<uint64_t> l_phy_zqcal_config; + std::vector<uint64_t> l_ranks; + + FAPI_TRY( mss::rank::ranks(i_target, l_ranks) ); + + for (const auto r : l_ranks) + { + l_phy_zqcal_config.setBit(TT::PER_ZCAL_ENA_RANK + rank::map_rank_ordinal_to_phy(i_target, r)); + } + + // Write the ZQCAL periodic config + FAPI_INF("zcal periodic config: 0x%016lx", l_phy_zqcal_config); + FAPI_TRY( mss::putScom(i_target, TT::PHY_ZQCAL_REG, l_phy_zqcal_config) ); + +fapi_try_exit: + return fapi2::current_err; +} + }// mss #endif |
